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>Cutoff for a failing score is x . (simplify) >Approximately k% of the students failed. (round to one decimal as needed ) Scores with a

>Cutoff for a failing score is x. (simplify)

>Approximately k% of the students failed. (round to one decimal as needed )

Scores with a mean = 70

Standard Deviation = 10

A failing grade was anything 2 or more STDEV below the MEAN

What is the cutoff for a failing score?

What % of students failed?

I need help on the formula.

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